19779285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{69401}}^1$

素因数の和:69428

約数の個数: 16

約数和(自身を含む): 33312960

約数和(自身を除く): 13533675

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 69401, 208203, 347005, 1041015, 1318619, 3955857, 6593095, 19779285]

約数ペア:

[(1, 19779285), (3, 6593095), (5, 3955857), (15, 1318619), (19, 1041015), (57, 347005), (95, 208203), (285, 69401)]